Comment 55 for bug 344878

Also using TinyCA2, creating certificates for servers with long hostnames (35 characters in my case), you encounter this bug. TinyCA2 tries to create a filename out of a Base64 hash of the CN (when it generates the CSR and the private key for the host).

DEBUG return: /usr/bin/openssl req -new -keyform PEM -outform PEM -passin env:SSLPASS -config /home/me/.TinyCA/CA/openssl.cnf -out /home/me/.TinyCA/CA/req/Z2VvMDEubWFwcy5kZXZibG4uZXVyb3BlLm5va2lhLmNvbTpudW56aW8udmlzY2lhbm9Abm9raWEuY29tOkxvY2F0aW9uIFN5c3RlbSBFbmdpbmVlcnM6Tm9raWEgU2VydmljZXM6QmVybGluOkJlcmxpbjpERQ==.pem -key /home/me/.TinyCA/CA/keys/Z2VvMDEubWFwcy5kZXZibG4uZXVyb3BlLm5va2lhLmNvbTpudW56aW8udmlzY2lhbm9Abm9raWEuY29tOkxvY2F0aW9uIFN5c3RlbSBFbmdpbmVlcnM6Tm9raWEgU2VydmljZXM6QmVybGluOkJlcmxpbjpERQ==.pem -sha1

Error opening Private Key /home/me/.TinyCA/CA/keys/Z2VvMDEubWFwcy5kZXZibG4uZXVyb3BlLm5va2lhLmNvbTpudW56aW8udmlzY2lhbm9Abm9raWEuY29tOkxvY2F0aW9uIFN5c3RlbSBFbmdpbmVlcnM6Tm9raWEgU2VydmljZXM6QmVybGluOkJlcmxpbjpERQ==.pem
6343:error:02001024:system library:fopen:File name too long:bss_file.c:356:fopen('/home/me/.TinyCA/CA/keys/Z2VvMDEubWFwcy5kZXZibG4uZXVyb3BlLm5va2lhLmNvbTpudW56aW8udmlzY2lhbm9Abm9raWEuY29tOkxvY2F0aW9uIFN5c3RlbSBFbmdpbmVlcnM6Tm9raWEgU2VydmljZXM6QmVybGluOkJlcmxpbjpERQ==.pem','r')
6343:error:20074002:BIO routines:FILE_CTRL:system lib:bss_file.c:358:
unable to load Private Key